diff --git a/client/ayon_core/lib/transcoding.py b/client/ayon_core/lib/transcoding.py
index 7073ba6b89..82038ed543 100644
--- a/client/ayon_core/lib/transcoding.py
+++ b/client/ayon_core/lib/transcoding.py
@@ -1081,7 +1081,7 @@ def convert_colorspace(
 
     if frame_padding:
         oiio_cmd.extend([
-            "--framepadding", frame_padding,
+            "--framepadding", str(frame_padding),
         ])
 
     if parallel_frames: